ALSA: hda - Make sure mute led reflects master mute state

This patch adds checking of mute state on all outputs besides just
speakers to calculate the master mute state for mute led support.
It also renames and splits the function that does it for better code
clarity.
Signed-off-by: Vitaliy Kulikov <Vitaliy.Kulikov@idt.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/patch_sigmatel.c

@@ -4961,29 +4961,19 @@ static int stac92xx_resume(struct hda_codec *codec)
 			stac_issue_unsol_event(codec,
 					       spec->autocfg.line_out_pins[0]);
 	}
-	/* sync mute LED */
-	if (spec->gpio_led)
-		hda_call_check_power_status(codec, 0x01);
 	return 0;
 }
 
+#ifdef CONFIG_SND_HDA_POWER_SAVE
 /*
- * using power check for controlling mute led of HP notebooks
- * check for mute state only on Speakers (nid = 0x10)
- *
- * For this feature CONFIG_SND_HDA_POWER_SAVE is needed, otherwise
- * the LED is NOT working properly !
- *
- * Changed name to reflect that it now works for any designated
- * model, not just HP HDX.
+ * For this feature CONFIG_SND_HDA_POWER_SAVE is needed
+ * as mute LED state is updated in check_power_status hook
  */
-
-#ifdef CONFIG_SND_HDA_POWER_SAVE
-static int stac92xx_hp_check_power_status(struct hda_codec *codec,
-					      hda_nid_t nid)
+static int stac92xx_update_led_status(struct hda_codec *codec)
 {
 	struct sigmatel_spec *spec = codec->spec;
-	int i, muted = 1;
+	int i, num_ext_dacs, muted = 1;
+	hda_nid_t nid;
 
 	for (i = 0; i < spec->multiout.num_dacs; i++) {
 		nid = spec->multiout.dac_nids[i];
@@ -4993,6 +4983,22 @@ static int stac92xx_hp_check_power_status(struct hda_codec *codec,
 			break;
 		}
 	}
+	if (muted && spec->multiout.hp_nid)
+		if (!(snd_hda_codec_amp_read(codec,
+				spec->multiout.hp_nid, 0, HDA_OUTPUT, 0) &
+					HDA_AMP_MUTE)) {
+			muted = 0; /* HP is not muted */
+		}
+	num_ext_dacs = ARRAY_SIZE(spec->multiout.extra_out_nid);
+	for (i = 0; muted && i < num_ext_dacs; i++) {
+		nid = spec->multiout.extra_out_nid[i];
+		if (nid == 0)
+			break;
+		if (!(snd_hda_codec_amp_read(codec, nid, 0, HDA_OUTPUT, 0) &
+		      HDA_AMP_MUTE)) {
+			muted = 0; /* extra output is not muted */
+		}
+	}
 	if (muted)
 		spec->gpio_data &= ~spec->gpio_led; /* orange */
 	else
@@ -5006,6 +5012,17 @@ static int stac92xx_hp_check_power_status(struct hda_codec *codec,
 	stac_gpio_set(codec, spec->gpio_mask, spec->gpio_dir, spec->gpio_data);
 	return 0;
 }
+
+/*
+ * use power check for controlling mute led of HP notebooks
+ */
+static int stac92xx_check_power_status(struct hda_codec *codec,
+					      hda_nid_t nid)
+{
+	stac92xx_update_led_status(codec);
+
+	return 0;
+}
 #endif
 
 static int stac92xx_suspend(struct hda_codec *codec, pm_message_t state)
@@ -5543,7 +5560,7 @@ static int patch_stac92hd83xxx(struct hda_codec *codec)
 		spec->gpio_data |= spec->gpio_led;
 		/* register check_power_status callback. */
 		codec->patch_ops.check_power_status =
-			stac92xx_hp_check_power_status;
+			stac92xx_check_power_status;
 	}
 #endif	
 
@@ -5871,7 +5888,7 @@ static int patch_stac92hd71bxx(struct hda_codec *codec)
 		spec->gpio_data |= spec->gpio_led;
 		/* register check_power_status callback. */
 		codec->patch_ops.check_power_status =
-			stac92xx_hp_check_power_status;
+			stac92xx_check_power_status;
 	}
 #endif